ANALYSIS OF BEARING CAPACITY OF CONCRETE-FILLED SQUARE STEEL TUBE COLUMN UNDER AXIAL LOAD
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摘要: 采用统一强度理论,对方钢管混凝土轴压短柱进行研究,提出一种方钢管混凝土轴压短柱极限承载力的简化计算方法,与国内外大量试验数据进行比较,结果符合良好,验证了理论公式的正确性。该结果为方钢管混凝土轴压短柱的承载力计算提供了一定的理论依据,可供有关工程参考。Abstract: The concrete-filled square steel tube column under axial loads is studied based on the unified strength theory. The ultimate load calculation formula for the concrete-filled square steel tubes column is derived. Comparisons are made between the simplified method and large amount of test data both at home and abroad, which verified the correctness of the theoretic formula. This result provides a theoretic basis for calculating the bearing capacity of this sort of column.
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Key words:
- concrete filled square steel tube /
- unified strength theory /
- thin tube /
- axial load /
- bearing capacity
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